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Finding the Fourth Proportional to 360,332,900.40, 540,499,350.60 and 207,277,892.40

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Solution

The fourth proportional to 360,332,900.40, 540,499,350.60 and 207,277,892.40 is: 310,916,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,332,900.40 : 540,499,350.60 = 207,277,892.40 : x
  2. Step 2: Convert to fraction form
    360,332,900.40/540,499,350.60 = 207,277,892.40/x
  3. Step 3: Cross multiply
    360,332,900.40x = 540,499,350.60 × 207,277,892.40
  4. Step 4: Simplify right side
    360,332,900.40x = 112,033,566,235,936,688
  5. Step 5: Solve for x
    x = 112,033,566,235,936,688/360,332,900.40
  6. Step 6: Final answer
    x = 310,916,838.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.